Discourtesy Clerk is a uncommon Creature — Vampire Employee card from Unfinity (UNF), collector number 70. Current market price: $0.13 (foil $0.33), TCGplayer market prices via Scryfall.
When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.) At the beginning of your end step, if you control three or more Attractions, you draw a card and you lose 1 life.